Optimized for precision fluid control, the Watts 0121255 (Series LF560) is a 1/4 inch lead free mini water pressure regulator engineered for OEM and industrial process applications where space and accuracy are paramount. This high-performance pressure reducing valve features a rugged lead-free brass body and is factory set at 15 psi, though it supports a field-adjustable range of 0-25 psi. Technicians will appreciate the integrated pressure gauge for real-time monitoring and the oversized orifices that ensure consistent flow even in low-pressure settings. Designed as a direct replacement for 0354501, it utilizes a durable Buna-N diaphragm and stainless steel internal components to withstand incoming supply pressures up to 300 psi. Whether you are servicing professional-grade food service equipment or industrial plumbing systems, this regulator provides the sensitivity required for delicate downstream components. Key Benefits: Versatile Compatibility: Direct cross-reference replacement for model 0354501, ensuring seamless integration into existing 1/4" NPT systems. Enhanced Monitoring: Equipped with a standard 1/8" gauge port and included pressure gauge for exact field calibration. Durable Internal Trim: Features a stainless steel stem and spring paired with a Buna-N seat for superior wear resistance. Precision Adjustment: Includes a heavy-duty slotted and knurled adjusting screw for fine-tuning the 0-25 psi delivery range. Common Questions: How do I adjust the 0-25 psi setting? Use the knurled adjusting screw on top of the bell; tightening the screw increases the downstream pressure. Always monitor the gauge during adjustment to prevent over-pressurization. Can this be used for potable water applications? Yes, the lead free brass body construction meets all current regulatory requirements for potable water installation. What causes the regulator to hum or vibrate? This is often caused by high-velocity flow or air trapped in the system. Ensure the regulator is correctly sized for your GPM requirements and that the system has been properly bled. Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
